What role does water itself play in the following?

What types of changes are $P$ and $Q$?
$P -$ Transformation in the shape of a compound without breaking bonds.
$Q -$ Transformation where bonds are broken or new bonds are formed.
$P$ and $Q$ are respectively:

The study of energy transformation and transfer relationships among all living organisms is called ...... .

Gluconeogenesis is the process of...

In which process is the energy level higher?

Which of the following statements best describes metabolism?